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Barbara McClintock

Genes Saltarines

In 1918, Barbara enrolled in Cornell University, the College of Agriculture.

In her second year of graduate work, she improved on a method that her employer was using and was able to identify maize chromosomes.

McClintock helped Beadle sort out the Neurospora chromosomes.

he began investigating the effects of X-rays on corn chromosomes, which led to her discovery of translocations, inversions, deletions and ring chromosomes in corn.